Let the function h be defined as h(x) = x2 + 48. If y is a positive number in which h(3y) = 3h(y), what is the value of y?

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so h(3y) = (3y)^2 + 48, 3h(y) = 3(y^2) + 144so 9y^2 + 48 = 3y^2 + 1446y^2 = 96y^2= 16y = +/-4